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GeoGeBra畫橢圓形的動態軌跡
Author:
李俊賢
Topic:
Ellipse
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
四邊形的特性
三位數除以一位數（二）
【案例】2018年全国1卷理科12题
拼砌四邊形
Discover Resources
觀察對數的對稱性
初犯九點圓
clock
circle
碎形
Discover Topics
Planes
Variance
Angles
Incircle or Inscribed Circle
Differential Calculus